This is a Samson branded case for the HP35s and HP33s calculators. It is a clamshell style case with double zipper for maximum protection and ease of portability. It is also compatible with most HP financial and scientific calculators including but not limited to: HP10B, HP10BII, HP10BII+, HP11C, HP12C, HP12C Platinum, HP15C, HP15CLE, HP16C, HP17B, HP17BII, HP17BII+, HP32S, HP32SII, and the HP42S.
Since this is a compatible case it does not have the HP logo but is otherwise the identical case as the one that comes with the HP35S calculator.
Case Compatible with:
HP 12C Platinum
Other HP Calculator models may fit, the inside dimensions of the Clamshell Style case are:
H(Height) x W(Width) x D(Depth or thickness) = 6.25" x 3.25" x 0.8"
If your calculator model is within the above dimensions, then it will fit perfectly inside this Clamshell Style case.